77122707067 has 8 divisors (see below), whose sum is σ = 90015561216. Its totient is φ = 64698684072.

The previous prime is 77122707049. The next prime is 77122707083. The reversal of 77122707067 is 76070722177.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77122707067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77122707007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117207433 + ... + 117208090.

It is an arithmetic number, because the mean of its divisors is an integer number (11251945152).

Almost surely, 2^77122707067 is an apocalyptic number.

77122707067 is a deficient number, since it is larger than the sum of its proper divisors (12892854149).

77122707067 is a wasteful number, since it uses less digits than its factorization.

77122707067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234415577.

The product of its (nonzero) digits is 403368, while the sum is 46.

The spelling of 77122707067 in words is "seventy-seven billion, one hundred twenty-two million, seven hundred seven thousand, sixty-seven".